_15_4_f := [ 
[1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0],
[1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0],
[1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0],
[1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1],
[2, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0],
[2, 2, 0, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 2],
[2, 0, 0, 0, 0, 2, 0, 0, 2, 0, 2, 0, 0, 0, 0],
[2, 0, 0, 2, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0],
[2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 ]
];